Publications by authors named "Deepa Subramaniam"

Introduction: Various studies have suggested use of socket grafting materials after dental extraction for socket preservation. However, there is no single material that has been accepted as standard for preserving the socket. The purpose of this systematic review was to analyze the evidence for the use of biphasic calcium phosphate for socket regeneration.

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Background: Phase 1/2 dose-escalation and expansion study evaluating varlilumab, a fully human agonist anti-CD27 mAb, with nivolumab in anti-PD-1/L1 naïve, refractory solid tumors.

Methods: Phase 1 evaluated the safety of varlilumab (0.1-10 mg/kg) with nivolumab (3 mg/kg) administered once every 2 weeks.

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Background: Osimertinib is an effective first-line therapy option for -mutant NSCLC, but virtually all patients develop resistance. CRIPTO, through Src activation, has been implicated in resistance to EGFR tyrosine kinase inhibitor (EGFR-TKI) therapy. Dasatinib, a Src inhibitor, has shown preclinical synergy with EGFR-TKI therapy.

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Background: Temsirolimus is an mTOR antagonist with proven anticancer efficacy. Preclinical data suggest greater anticancer effect when mTOR inhibitors are combined with cytotoxic chemotherapy. We performed a Phase I assessment of the combination of temsirolimus and capecitabine in patients with advanced solid tumors.

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Background: Non-small cell lung cancer (NSCLC) with brain metastases (BM) is difficult to treat and associated with poor survival. This study assessed the impact of BM on healthcare-related utilization and costs (HRUC) among patients receiving epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs).

Patients And Methods: Adults newly-diagnosed with metastatic NSCLC, initiating first-/second-generation EGFR-TKI treatment, with BM or no BM (NBM), were identified retrospectively from IBM MarketScan healthcare claims databases (2013-2017).

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Article Synopsis
  • * In a study with 26 adult patients receiving pembrolizumab every two weeks, the overall response rate was only 8%, but some patients showed significant time in partial response, reflecting limited but notable effectiveness.
  • * The therapy led to manageable side effects in most patients, indicating potential for future studies that could explore combining pembrolizumab with other treatments for better outcomes.
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Article Synopsis
  • Combining PD-1 blockade with CTLA4 inhibition can be more effective but often leads to serious side effects, limiting how much CTLA4 treatment can be given.
  • MEDI5752 is a new type of bispecific antibody that selectively targets PD-1 activated T cells and has a unique mechanism that reduces the necessary dose for a therapeutic effect, including rapid degradation of PD-1.
  • Early results show that MEDI5752 can enhance tumor targeting and activity, leading to positive responses in patients with advanced solid tumors, highlighting its potential as an improved cancer immunotherapy strategy.
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Background: Lutathera is a Lutetium-labeled somatostatin analog approved for the treatment of gastroenteropancreatic neuroendocrine tumors (NETs). Somatostatin receptors are expressed in small cell lung cancer (SCLC). Nivolumab, an anti-PD-1 antibody, may act synergistically with lutathera to generate antitumor immunity.

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Purpose: It is well-established that persistent tobacco use among patients with cancer results in numerous adverse outcomes. However, the assessment and treatment of tobacco use with evidence-based methods have been lacking in cancer care. Our cancer center has established its first tobacco treatment program, a multidisciplinary, evidence-based, clinical program for hematology/oncology patients.

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Purpose: This phase I trial evaluated the maximum tolerated dose, safety and preliminary efficacy of lapatinib, a HER1, HER2 dual kinase inhibitor plus bortezomib, a proteasome inhibitor, in adult patients with advanced malignancies.

Methods: Patients were enrolled in a standard 3 + 3 design with lapatinib (L) 750, 1000, 1250 or 1500 mg daily, and bortezomib (B) 0.7, 1.

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Interactions between cells and their environment influence key physiologic processes such as their propensity to migrate. However, directed migration controlled by extrinsically applied electrical signals is poorly understood. Using a novel microfluidic platform, we found that metastatic breast cancer cells sense and respond to the net direction of weak (∼100 µV cm), asymmetric, non-contact induced Electric Fields (iEFs).

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The understanding of genetic alterations that drive non-small cell lung cancer (NSCLC) is evolving. As many of these molecularly-defined subtypes are potentially actionable, new strategies in molecular diagnostics and targeted therapies in NSCLC to detect and treat them are being explored. At the International Association for Study of Lung Cancer 19th World Conference, several abstracts and oral presentations related to this topic.

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Background: Juvenile-onset recurrent respiratory papillomatosis (JO-RRP) is a human papilloma virus-mediated progressive benign neoplasm that affects children and young adults. Primary management consists of regular surgical debulking to maintain airway patency and vocal function. Like condyloma acuminata, JO-RRP is associated with immune dysregulation, and T cells isolated from papillomas express an anergic phenotype.

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Historically, advanced lung cancer conferred a poor prognosis, and chemotherapy only improved outcomes in patients with good performance status. The identification of certain molecular subtypes of non-small cell lung cancer changed the treatment paradigm by incorporating tumor genomic information into clinical decision-making. To meet the demands of this emerging approach, genomic technology rapidly expanded in an effort to detect specific driver mutations.

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High-grade glioma is the most common primary malignant tumor of the CNS, with death often resulting from uncontrollable intracranial disease. Radiation dose may be limited by the tolerance of critical structures, such as the brainstem and optic apparatus. In this report, long-term outcomes in patients treated with conventionally fractionated stereotactic boost for tumors in close proximity to critical structures are presented.

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Lung cancer remains a leading cause of mortality with 1.69 million deaths worldwide. Activating mutations in epidermal growth factor receptor (EGFR), predominantly exon 19 deletions and exon 21 L858R mutations, are known oncogenic drivers identified in 20-40% of non-small-cell lung cancers (NSCLC).

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Gene fusions involving oncogenes have been reported in gliomas and may serve as novel therapeutic targets. Using RNA-sequencing, we interrogated a large cohort of gliomas to assess for the incidence of targetable genetic fusions. Gliomas (n = 390) were profiled using the ArcherDx FusionPlex Assay.

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Introduction: Small cell lung cancer (SCLC) accounts for 15% of all lung cancers and is characterized by high response rates to cytotoxic chemotherapy and equally high rates of relapse. Many resistance mechanisms have been proposed including resistance to doxorubicin induction of a heat shock response. Ganetespib is a novel and potent non-geldanamycin heat shock protein 90 (Hsp90) inhibitor.

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Background: Veliparib is a potent poly(ADP-ribose) polymerase inhibitor. This phase 1 study aimed to establish the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of veliparib combined with various FOLFIRI regimens in patients with solid tumours.

Methods: Patients received veliparib (10-270 mg BID, days 1-5, 15-19) and FOLFIRI (days 1-3, 15-17) in three regimens containing 5-fluorouracil 2,400 mg/m: irinotecan 150 mg/m and folinic acid 400 mg/m (part 1); irinotecan 180 mg/m, folinic acid 400 mg/m, and 5-fluorouracil 400 mg/m bolus (part 2), or irinotecan 180 mg/m (part 3).

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Background: KRAS mutations are identified in approximately 25% of non-small cell lung cancer (NSCLC) cases and are associated with resistance to currently available targeted therapies. The MET oncogene may be implicated in malignant progression of KRAS-mutant tumors. In a pre-specified subset analysis of KRAS mutant cancers in an earlier phase 2 study of erlotinib plus the oral MET inhibitor tivantinib, combination therapy was associated with substantial clinical benefit compared to erlotinib alone (progression-free survival [PFS] HR 0.

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Background: Treatment options are limited for patients with thymic carcinoma. These aggressive tumours are not typically associated with paraneoplastic autoimmune disorders, and strong PD-L1 expression has been reported in thymic epithelial tumours. We aimed to assess the activity of pembrolizumab, a monoclonal antibody that targets PD-1, in patients with advanced thymic carcinoma.

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